Abstract
What is photocatalysis? How can it be used for sanitizing purposes? Is it active against viruses? We take stock of it by updating it to the pandemic situation created with the outbreak of COVID-19 due to the coronavirus SARS-CoV-2. A short report of how surfaces and construction products can be functionalized to obtain effective results to improve the environment in which we live is made.
After a brief description of what a virus is, we will describe the photocatalysis and the possible mechanisms that trigger with it, for the degradation of microorganisms. Then, some currently available technical and commercial solutions (materials and devices) will be explained. Finally, an overview of existing standards on photocatalysis is also given.
Based on the literature analysed, it seems clear that photocatalysis is an effective solution for the initial inactivation and the following degradation of viruses, provided that there are adequate light (irradiation) conditions, favourable environmental conditions (temperature, relative humidity) and suitable type/quantity of photocatalyst capable of interacting and accelerating the chemical-physical processes needed for the purpose.
This provides the opportunity to use new disinfectants in public environments, such as public toilets, schools, hospitals, stations, airports, hotels, shopping centers, or public transportation, which are ideal places for the transmission of pathogens.
Keywords: Air purifiers, bacteria, photocatalysis, virus, sanitization, SARS-CoV-2, TiO2, titanium dioxide.
Graphical Abstract
Journal of Photocatalysis
Title:Photocatalysis and Virus. From Theory to Applications
Volume: 2
Author(s): Gian Luca Guerrini*
Affiliation:
- Via I. Calvino 7/Q 20063 Cernusco sul Naviglio, Milan,Italy
Keywords: Air purifiers, bacteria, photocatalysis, virus, sanitization, SARS-CoV-2, TiO2, titanium dioxide.
Abstract:
What is photocatalysis? How can it be used for sanitizing purposes? Is it active against viruses? We take stock of it by updating it to the pandemic situation created with the outbreak of COVID-19 due to the coronavirus SARS-CoV-2. A short report of how surfaces and construction products can be functionalized to obtain effective results to improve the environment in which we live is made.
After a brief description of what a virus is, we will describe the photocatalysis and the possible mechanisms that trigger with it, for the degradation of microorganisms. Then, some currently available technical and commercial solutions (materials and devices) will be explained. Finally, an overview of existing standards on photocatalysis is also given.
Based on the literature analysed, it seems clear that photocatalysis is an effective solution for the initial inactivation and the following degradation of viruses, provided that there are adequate light (irradiation) conditions, favourable environmental conditions (temperature, relative humidity) and suitable type/quantity of photocatalyst capable of interacting and accelerating the chemical-physical processes needed for the purpose.
This provides the opportunity to use new disinfectants in public environments, such as public toilets, schools, hospitals, stations, airports, hotels, shopping centers, or public transportation, which are ideal places for the transmission of pathogens.
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Cite this article as:
Guerrini Luca Gian *, Photocatalysis and Virus. From Theory to Applications, Journal of Photocatalysis 2021; 2 (1) . https://dx.doi.org/10.2174/2665976X01999200826111401
DOI https://dx.doi.org/10.2174/2665976X01999200826111401 |
Print ISSN 2665-976X |
Publisher Name Bentham Science Publisher |
Online ISSN 2665-9778 |
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